Mastodon Engineering

As we're working on Collections (an upcoming feature similar to "starter packs"), and improvements to the design of user profiles, we would like to hear from you! Please use our - short & anonymous! - User Experience Survey to share your thoughts. #Mastodon #UserExperience #Design

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The November "Trunk & Tidbits" is out! Read about our new organisational announcements and events; the start of development for our Collections feature; CSS theme tokens and Helm chart; and, the latest stable releases. #mastoadmin #OpenSource

Mastodon Blog

Trunk & Tidbits, November 2025

Our monthly report on engineering progress. 20k commits! Also, team news, and a round-up of some community projects.

We just released Mastodon 4.5.3, 4.4.10 and 4.3.16 and 4.2.28. These versions contain various bug fixes, including a fix for a minor security issue. Full release notes and update instructions are available on the GitHub releases page.

GitHub

Releases · mastodon/mastodon

Your self-hosted, globally interconnected microblogging community - mastodon/mastodon

#mastoadmin

Attention Mastodon server operators 🤹🏻 We are working on a new Helm chart for Kubernetes deployments, and the team would appreciate your feedback. See this issue for the new repository (and to provide comments) #mastoadmin

GitHub

New Mastodon chart feedback · Issue #13 · mastodon/helm-charts

We are in the process of releasing a brand new mastodon chart to replace the old chart for various reasons (See this issue for more details). As su...

We just released Mastodon 4.5.2, 4.4.9 and 4.3.15. These versions contain small bug fixes. Full release notes and update instructions are available on the GitHub releases page.

GitHub

Releases · mastodon/mastodon

Your self-hosted, globally interconnected microblogging community - mastodon/mastodon

#mastoadmin

We just released Mastodon 4.5.1 This version fixes some bugs found in 4.5.0. Full release notes and update instructions are available on the GitHub release page.

GitHub

Release v4.5.1 · mastodon/mastodon

This is a patch release for 4.5. Check out the 4.5.0 release notes for information. Changelog Fixes Fix Cmd/Ctrl + Enter not submitting Alt text m...

#mastoadmin

We've posted #TrunkAndTidbits for October. It was a busy month, with a lot of coding behind the scenes to prepare for Mastodon 4.5, events and talks, Fediforum and our thoughts on packs, and some merch news. Have a read!

Mastodon Blog

Trunk & Tidbits, October 2025

Behind the scenes on the finishing touches to Mastodon 4.5, our ideas about packs, and some interesting events.

We’re happy to announce that Mastodon 4.5 is now ready for prime time! Quote posts, async fetching of replies, server timeline visibility settings, more moderation tools, and lots and lots of other tweaks and improvements. Announcement on our blog:

Mastodon Blog

Mastodon 4.5

Quote posts, the end of missing replies, new tools for admins and better emojis. All of these and more, in our latest release.

Full release notes and update instructions are available on our GitHub release page:

GitHub

Release v4.5.0 · mastodon/mastodon

For a user-focused highlight of these changes, see https://blog.joinmastodon.org/2025/11/mastodon-4.5/ For changes of particular interest to applic...

#mastoadmin

The third release candidate for Mastodon 4.5 is ready! It addresses UX concerns regarding quotes and post privacy, now warning when you quote someone in a followers-only post, and preventing quotes in Private Mentions. It also includes a few other bugfixes. We are planning to release the final 4.5.0 version tomorrow, so please test this release candidate if you can! Full release notes and update instructions are available on our GitHub release page:

GitHub

Release v4.5.0-rc.3 · mastodon/mastodon

WarningThis is a pre-release! This has not been as widely tested as regular releases, although it is still tested on mastodon.social and some other...

#mastoadmin